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  • Committer: brian
  • Date: 2008-06-25 05:29:13 UTC
  • Revision ID: brian@localhost.localdomain-20080625052913-6upwo0jsrl4lnapl
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drizzled/status_helper.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems
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 *  Copyright (C) 2010 Joseph Daly 
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; version 2 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include "config.h"
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#include <boost/lexical_cast.hpp>
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#include "status_helper.h"
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#include "drizzled/set_var.h"
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#include "drizzled/drizzled.h"
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#include "plugin/myisam/myisam.h"
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#include <sstream>
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using namespace std;
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namespace drizzled
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{
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extern uint64_t refresh_version;
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extern time_t server_start_time;
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extern time_t flush_status_time;
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static int show_starttime_new(drizzle_show_var *var, char *buff)
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{
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  var->type= SHOW_LONG;
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  var->value= buff;
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  *((long *)buff)= (long) (time(NULL) - server_start_time);
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  return 0;
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}
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static int show_flushstatustime_new(drizzle_show_var *var, char *buff)
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{
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  var->type= SHOW_LONG;
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  var->value= buff;
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  *((long *)buff)= (long) (time(NULL) - flush_status_time);
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  return 0;
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}
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static int show_connection_count_new(drizzle_show_var *var, char *buff)
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{
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  var->type= SHOW_INT;
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  var->value= buff;
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  *((uint32_t *)buff)= connection_count;
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  return 0;
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}
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static st_show_var_func_container show_starttime_cont_new= { &show_starttime_new };
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static st_show_var_func_container show_flushstatustime_cont_new= { &show_flushstatustime_new };
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static st_show_var_func_container show_connection_count_cont_new= { &show_connection_count_new };
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string StatusHelper::fillHelper(system_status_var *status_var, char *value, SHOW_TYPE show_type)
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{
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  ostringstream oss;
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  string return_value;
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  switch (show_type) {
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  case SHOW_DOUBLE_STATUS:
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    value= ((char *) status_var + (ulong) value);
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    /* fall through */
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  case SHOW_DOUBLE:
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    oss.precision(6);
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    oss << *(double *) value;
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    return_value= oss.str();
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    break;
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  case SHOW_LONG_STATUS:
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    value= ((char *) status_var + (ulong) value);
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    /* fall through */
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  case SHOW_LONG:
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    return_value=boost::lexical_cast<std::string>(*(long*) value);
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    break;
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  case SHOW_LONGLONG_STATUS:
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    value= ((char *) status_var + (uint64_t) value);
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    /* fall through */
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  case SHOW_LONGLONG:
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    return_value=boost::lexical_cast<std::string>(*(int64_t*) value);
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    break;
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  case SHOW_SIZE:
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    return_value=boost::lexical_cast<std::string>(*(size_t*) value);
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    break;
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  case SHOW_HA_ROWS:
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    return_value=boost::lexical_cast<std::string>((int64_t) *(ha_rows*) value);
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    break;
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  case SHOW_BOOL:
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  case SHOW_MY_BOOL:
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    return_value= *(bool*) value ? "ON" : "OFF";
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    break;
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  case SHOW_INT:
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  case SHOW_INT_NOFLUSH: // the difference lies in refresh_status()
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    return_value=boost::lexical_cast<std::string>((long) *(uint32_t*) value);
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    break;
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  case SHOW_CHAR:
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    {
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      if (value)
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        return_value= value;
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      break;
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    }
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  case SHOW_CHAR_PTR:
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    {
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      if (*(char**) value)
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        return_value= *(char**) value;
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      break;
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    }
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  case SHOW_UNDEF:
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    break;                                        // Return empty string
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  case SHOW_SYS:                                  // Cannot happen
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  default:
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    assert(0);
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    break;
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  }
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  return return_value;
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}
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drizzle_show_var StatusHelper::status_vars_defs[]=
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{
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  {"Aborted_clients",           (char*) offsetof(system_status_var, aborted_threads), SHOW_LONGLONG_STATUS},
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  {"Aborted_connects",          (char*) offsetof(system_status_var, aborted_connects), SHOW_LONGLONG_STATUS},
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  {"Bytes_received",            (char*) offsetof(system_status_var, bytes_received), SHOW_LONGLONG_STATUS},
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  {"Bytes_sent",                (char*) offsetof(system_status_var, bytes_sent), SHOW_LONGLONG_STATUS},
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  {"Connections",               (char*) &current_global_counters.connections,  SHOW_LONGLONG},
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  {"Created_tmp_disk_tables",   (char*) offsetof(system_status_var, created_tmp_disk_tables), SHOW_LONGLONG_STATUS},
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  {"Created_tmp_tables",        (char*) offsetof(system_status_var, created_tmp_tables), SHOW_LONGLONG_STATUS},
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  {"Flush_commands",            (char*) &refresh_version,    SHOW_INT_NOFLUSH},
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  {"Handler_commit",            (char*) offsetof(system_status_var, ha_commit_count), SHOW_LONGLONG_STATUS},
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  {"Handler_delete",            (char*) offsetof(system_status_var, ha_delete_count), SHOW_LONGLONG_STATUS},
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  {"Handler_prepare",           (char*) offsetof(system_status_var, ha_prepare_count),  SHOW_LONGLONG_STATUS},
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  {"Handler_read_first",        (char*) offsetof(system_status_var, ha_read_first_count), SHOW_LONGLONG_STATUS},
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  {"Handler_read_key",          (char*) offsetof(system_status_var, ha_read_key_count), SHOW_LONGLONG_STATUS},
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  {"Handler_read_next",         (char*) offsetof(system_status_var, ha_read_next_count), SHOW_LONGLONG_STATUS},
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  {"Handler_read_prev",         (char*) offsetof(system_status_var, ha_read_prev_count), SHOW_LONGLONG_STATUS},
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  {"Handler_read_rnd",          (char*) offsetof(system_status_var, ha_read_rnd_count), SHOW_LONGLONG_STATUS},
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  {"Handler_read_rnd_next",     (char*) offsetof(system_status_var, ha_read_rnd_next_count), SHOW_LONGLONG_STATUS},
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  {"Handler_rollback",          (char*) offsetof(system_status_var, ha_rollback_count), SHOW_LONGLONG_STATUS},
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  {"Handler_savepoint",         (char*) offsetof(system_status_var, ha_savepoint_count), SHOW_LONGLONG_STATUS},
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  {"Handler_savepoint_rollback",(char*) offsetof(system_status_var, ha_savepoint_rollback_count), SHOW_LONGLONG_STATUS},
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  {"Handler_update",            (char*) offsetof(system_status_var, ha_update_count), SHOW_LONGLONG_STATUS},
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  {"Handler_write",             (char*) offsetof(system_status_var, ha_write_count), SHOW_LONGLONG_STATUS},
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  {"Last_query_cost",           (char*) offsetof(system_status_var, last_query_cost), SHOW_DOUBLE_STATUS},
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  {"Max_used_connections",      (char*) &current_global_counters.max_used_connections,  SHOW_LONGLONG},
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  {"Questions",                 (char*) offsetof(system_status_var, questions), SHOW_LONGLONG_STATUS},
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  {"Select_full_join",          (char*) offsetof(system_status_var, select_full_join_count), SHOW_LONGLONG_STATUS},
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  {"Select_full_range_join",    (char*) offsetof(system_status_var, select_full_range_join_count), SHOW_LONGLONG_STATUS},
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  {"Select_range",              (char*) offsetof(system_status_var, select_range_count), SHOW_LONGLONG_STATUS},
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  {"Select_range_check",        (char*) offsetof(system_status_var, select_range_check_count), SHOW_LONGLONG_STATUS},
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  {"Select_scan",               (char*) offsetof(system_status_var, select_scan_count), SHOW_LONGLONG_STATUS},
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  {"Sessions_connected",         (char*) &show_connection_count_cont_new,  SHOW_FUNC},
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  {"Slow_queries",              (char*) offsetof(system_status_var, long_query_count), SHOW_LONGLONG_STATUS},
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  {"Sort_merge_passes",         (char*) offsetof(system_status_var, filesort_merge_passes), SHOW_LONGLONG_STATUS},
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  {"Sort_range",                (char*) offsetof(system_status_var, filesort_range_count), SHOW_LONGLONG_STATUS},
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  {"Sort_rows",                 (char*) offsetof(system_status_var, filesort_rows), SHOW_LONGLONG_STATUS},
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  {"Sort_scan",                 (char*) offsetof(system_status_var, filesort_scan_count), SHOW_LONGLONG_STATUS},
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  {"Table_locks_immediate",     (char*) &current_global_counters.locks_immediate,        SHOW_LONGLONG},
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  {"Table_locks_waited",        (char*) &current_global_counters.locks_waited,           SHOW_LONGLONG},
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  {"Uptime",                    (char*) &show_starttime_cont_new,         SHOW_FUNC},
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  {"Uptime_since_flush_status", (char*) &show_flushstatustime_cont_new,   SHOW_FUNC},
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  {NULL, NULL, SHOW_LONGLONG}
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};
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} /* namespace drizzled */